Heat Pump Electronic Expansion Valve

• Application: Industrial
• Certification: ISO9001, CE, VDE
• Type: Home Applications
• Transport Package: Carton Box
• Specification: 50pcs
• Trademark: Huayang
• Model NO.: DPF
• Origin: China
• HS Code: 841590
• Production Capacity: 60000per Month

Product Description

 
Features
Applicable for oil-free system (T series)
Smaller installation space: low height, small volume, light weight
Optimized flow path design for noise reduction
Fast operation, Energy saving
Applicable for reversible systems like heat pumps: bidirectional flow

Working conditions

Applicable ambient temperature: -30ºC~+60ºC (the energization rate is below 50%)
Applicable medium temperature: -30ºC~+70ºC (the energization rate is below 50%).
Applicable ambient humidity: below 95%RH.
Applicable refrigerants: R22, R407C, R410A, R32, R290.
Power supply: DC 12V±10%.
Driving mode: 1-2 phase excitation 4 phase 8 beat stepping motor direct acting type.
Capacity range: 1US.T~2.5US.T (R22 nominal capacity)
Media flow direction: both positive and negative.
Recommended installation method: coil facing upward, valve body rotor center axis and horizontal plane
Vertical, deviation within ±15°.
 

Electrical Parameters
Rated voltage: DC12V±10%, rectangular wave
Motion mode: 4 phase 8 beat permanent magnet type stepping motor direct acting
Excitation mode: 1-2 phase excitation, single pole drive
Excitation speed: 30PPS~90PPS (end of excitation mode)
Excitation speed: 30PPS~90PPS (end excitation mode keep 0.1s~1.0s)
Coil current: 260mA/phase (20ºC)
Coil resistance: 46±3.7Ω/phase (20ºC)
Coil insulation grade: Grade E